(Android™) Append Encoded Binary Data to StringBuilder

Demonstrates how to append encoded binary data to the contenets of a StringBuilder.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    CkBinData bd = new CkBinData();

    boolean success = bd.LoadFile("qa_data/jpg/starfish.jpg");
    if (success == false) {
        Log.i(TAG, "Failed to load file.");
        return;
        }

    // For example, let's say we want construct simple JSON containing the base64 representation of the above JPG file.
    CkStringBuilder sb = new CkStringBuilder();
    sb.Append("{ \"jpg\": \"");
    // GetEncodedSb appends the enocded representation of the binary data to the StringBuiler passed in the 2nd arg.
    bd.GetEncodedSb("base64",sb);
    sb.Append("\" }");

    Log.i(TAG, sb.getAsString());

    // Output looks like this:
    //  { "jpg": "/9j/4AAQSkZJRgABAg...rcQ+vo//2Q==" }

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}